The pin follows the path described by the equation r = a + bcos . At the

The pin follows the path described by the equation r = a + bcos θ. At the instant θ = θ1. the angular velocity and angular acceleration are θ' and θ''. Determine the magnitudes of the pin’s velocity and acceleration at this instant. Neglect the size of the pin. Given:

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a = 0.2 m b = 0.15 m 0₁ = 30 deg 01 8 = 0.7 rad S rad 2 S 8 = 0.5-